How to use the grafeas.grafeas_v1.proto.cvss_pb2 function in grafeas

from grafeas.grafeas_v1.proto import vulnerability_pb2


_shared_modules = [
    any_pb2,
    empty_pb2,
    field_mask_pb2,
    timestamp_pb2,
    status_pb2,
]

_local_modules = [
    attestation_pb2,
    build_pb2,
    common_pb2,
    cvss_pb2,
    deployment_pb2,
    discovery_pb2,
    grafeas_pb2,
    image_pb2,
    package_pb2,
    provenance_pb2,
    vulnerability_pb2,
]

names = []

for module in _shared_modules:  # pragma: NO COVER
    for name, message in get_messages(module).items():
        setattr(sys.modules[__name__], name, message)
        names.append(name)
for module in _local_modules:

_VULNERABILITYNOTE_DETAIL.fields_by_name[
    "fixed_version"
].message_type = grafeas__v1_dot_proto_dot_package__pb2._VERSION
_VULNERABILITYNOTE_DETAIL.containing_type = _VULNERABILITYNOTE
_VULNERABILITYNOTE_WINDOWSDETAIL_KNOWLEDGEBASE.containing_type = (
    _VULNERABILITYNOTE_WINDOWSDETAIL
)
_VULNERABILITYNOTE_WINDOWSDETAIL.fields_by_name[
    "fixing_kbs"
].message_type = _VULNERABILITYNOTE_WINDOWSDETAIL_KNOWLEDGEBASE
_VULNERABILITYNOTE_WINDOWSDETAIL.containing_type = _VULNERABILITYNOTE
_VULNERABILITYNOTE.fields_by_name["severity"].enum_type = _SEVERITY
_VULNERABILITYNOTE.fields_by_name["details"].message_type = _VULNERABILITYNOTE_DETAIL
_VULNERABILITYNOTE.fields_by_name[
    "cvss_v3"
].message_type = grafeas__v1_dot_proto_dot_cvss__pb2._CVSSV3
_VULNERABILITYNOTE.fields_by_name[
    "windows_details"
].message_type = _VULNERABILITYNOTE_WINDOWSDETAIL
_VULNERABILITYOCCURRENCE_PACKAGEISSUE.fields_by_name[
    "affected_version"
].message_type = grafeas__v1_dot_proto_dot_package__pb2._VERSION
_VULNERABILITYOCCURRENCE_PACKAGEISSUE.fields_by_name[
    "fixed_version"
].message_type = grafeas__v1_dot_proto_dot_package__pb2._VERSION
_VULNERABILITYOCCURRENCE_PACKAGEISSUE.containing_type = _VULNERABILITYOCCURRENCE
_VULNERABILITYOCCURRENCE.fields_by_name["severity"].enum_type = _SEVERITY
_VULNERABILITYOCCURRENCE.fields_by_name[
    "package_issue"
].message_type = _VULNERABILITYOCCURRENCE_PACKAGEISSUE
_VULNERABILITYOCCURRENCE.fields_by_name[
    "related_urls"

)


DESCRIPTOR = _descriptor.FileDescriptor(
    name="grafeas_v1/proto/vulnerability.proto",
    package="grafeas.v1",
    syntax="proto3",
    serialized_options=_b(
        "\n\rio.grafeas.v1P\001Z8google.golang.org/genproto/googleapis/grafeas/v1;grafeas\242\002\003GRA"
    ),
    serialized_pb=_b(
        '\n$grafeas_v1/proto/vulnerability.proto\x12\ngrafeas.v1\x1a\x1dgrafeas_v1/proto/common.proto\x1a\x1bgrafeas_v1/proto/cvss.proto\x1a\x1egrafeas_v1/proto/package.proto"\x8a\x06\n\x11VulnerabilityNote\x12\x12\n\ncvss_score\x18\x01 \x01(\x02\x12&\n\x08severity\x18\x02 \x01(\x0e\x32\x14.grafeas.v1.Severity\x12\x35\n\x07\x64\x65tails\x18\x03 \x03(\x0b\x32$.grafeas.v1.VulnerabilityNote.Detail\x12#\n\x07\x63vss_v3\x18\x04 \x01(\x0b\x32\x12.grafeas.v1.CVSSv3\x12\x44\n\x0fwindows_details\x18\x05 \x03(\x0b\x32+.grafeas.v1.VulnerabilityNote.WindowsDetail\x1a\xd5\x02\n\x06\x44\x65tail\x12\x15\n\rseverity_name\x18\x01 \x01(\t\x12\x13\n\x0b\x64\x65scription\x18\x02 \x01(\t\x12\x14\n\x0cpackage_type\x18\x03 \x01(\t\x12\x18\n\x10\x61\x66\x66\x65\x63ted_cpe_uri\x18\x04 \x01(\t\x12\x18\n\x10\x61\x66\x66\x65\x63ted_package\x18\x05 \x01(\t\x12\x33\n\x16\x61\x66\x66\x65\x63ted_version_start\x18\x06 \x01(\x0b\x32\x13.grafeas.v1.Version\x12\x31\n\x14\x61\x66\x66\x65\x63ted_version_end\x18\x07 \x01(\x0b\x32\x13.grafeas.v1.Version\x12\x15\n\rfixed_cpe_uri\x18\x08 \x01(\t\x12\x15\n\rfixed_package\x18\t \x01(\t\x12*\n\rfixed_version\x18\n \x01(\x0b\x32\x13.grafeas.v1.Version\x12\x13\n\x0bis_obsolete\x18\x0b \x01(\x08\x1a\xbe\x01\n\rWindowsDetail\x12\x0f\n\x07\x63pe_uri\x18\x01 \x01(\t\x12\x0c\n\x04name\x18\x02 \x01(\t\x12\x13\n\x0b\x64\x65scription\x18\x03 \x01(\t\x12M\n\nfixing_kbs\x18\x04 \x03(\x0b\x32\x39.grafeas.v1.VulnerabilityNote.WindowsDetail.KnowledgeBase\x1a*\n\rKnowledgeBase\x12\x0c\n\x04name\x18\x01 \x01(\t\x12\x0b\n\x03url\x18\x02 \x01(\t"\xbd\x04\n\x17VulnerabilityOccurrence\x12\x0c\n\x04type\x18\x01 \x01(\t\x12&\n\x08severity\x18\x02 \x01(\x0e\x32\x14.grafeas.v1.Severity\x12\x12\n\ncvss_score\x18\x03 \x01(\x02\x12G\n\rpackage_issue\x18\x04 \x03(\x0b\x32\x30.grafeas.v1.VulnerabilityOccurrence.PackageIssue\x12\x19\n\x11short_description\x18\x05 \x01(\t\x12\x18\n\x10long_description\x18\x06 \x01(\t\x12,\n\x0crelated_urls\x18\x07 \x03(\x0b\x32\x16.grafeas.v1.RelatedUrl\x12\x30\n\x12\x65\x66\x66\x65\x63tive_severity\x18\x08 \x01(\x0e\x32\x14.grafeas.v1.Severity\x12\x15\n\rfix_available\x18\t \x01(\x08\x1a\xe2\x01\n\x0cPackageIssue\x12\x18\n\x10\x61\x66\x66\x65\x63ted_cpe_uri\x18\x01 \x01(\t\x12\x18\n\x10\x61\x66\x66\x65\x63ted_package\x18\x02 \x01(\t\x12-\n\x10\x61\x66\x66\x65\x63ted_version\x18\x03 \x01(\x0b\x32\x13.grafeas.v1.Version\x12\x15\n\rfixed_cpe_uri\x18\x04 \x01(\t\x12\x15\n\rfixed_package\x18\x05 \x01(\t\x12*\n\rfixed_version\x18\x06 \x01(\x0b\x32\x13.grafeas.v1.Version\x12\x15\n\rfix_available\x18\x07 \x01(\x08*^\n\x08Severity\x12\x18\n\x14SEVERITY_UNSPECIFIED\x10\x00\x12\x0b\n\x07MINIMAL\x10\x01\x12\x07\n\x03LOW\x10\x02\x12\n\n\x06MEDIUM\x10\x03\x12\x08\n\x04HIGH\x10\x04\x12\x0c\n\x08\x43RITICAL\x10\x05\x42Q\n\rio.grafeas.v1P\x01Z8google.golang.org/genproto/googleapis/grafeas/v1;grafeas\xa2\x02\x03GRAb\x06proto3'
    ),
    dependencies=[
        grafeas__v1_dot_proto_dot_common__pb2.DESCRIPTOR,
        grafeas__v1_dot_proto_dot_cvss__pb2.DESCRIPTOR,
        grafeas__v1_dot_proto_dot_package__pb2.DESCRIPTOR,
    ],
)

_SEVERITY = _descriptor.EnumDescriptor(
    name="Severity",
    full_name="grafeas.v1.Severity",
    filename=None,
    file=DESCRIPTOR,
    values=[
        _descriptor.EnumValueDescriptor(
            name="SEVERITY_UNSPECIFIED",
            index=0,
            number=0,
            serialized_options=None,
            type=None,